Preliminary investigation of NiAl-TiB2 composite prepared by reaction milling

被引：0
|
作者：
Zhou, LZ [1 ]
Guo, JT [1 ]
机构：
[1] Chinese Acad Sci, Inst Met Res, Shenyang 110015, Peoples R China
来源：
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY | 1999年 / 15卷 / 05期
关键词：
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Reaction-milled NiAl-TiB2 composite was fabricated by mechanical alloying elemental powders and hot pressing. TiB2 particles are distributed mostly in grain boundaries of the matrix. The compressive strain to failure of the composite at RT is about twice that of cast NiAl. The compressive yield stress at high temperatures is about 4.5 times higher than that of extruded NiAl, and is also much stronger than XD NiAl-TiB2 composites. Deformation behavior between 1000 similar to 1100 degrees C with different strain rates has been investigated.
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页码：427 / 430
页数：4
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